Turning off my logging programmatically

[David Thielen <da...@thielen.com>]

Hi all;

I have a library that I ship to people as a jar. Here is what I would like to be able to do:

1) If they have a given property set, I use the value of that property as my log4j configuration properties and do a configure with that. Works great.

2) However, if they give me no file, I want to disable all logging from my library without effecting their code. That means if they are using log4j, I don't effect their settings in any way AND I do no logging. If they don't use log4j, then I want nothing to happen - no logging of any kind. I tried the following but it dodn't work:

   PropertyConfigurator.configure ();
   Hierarchy h = new Hierarchy( Category.getInstance ( "net.windward" )); // all my code is net.windward.*****
   h.disableAll();

Any ideas?

thanks - dave

Re: Turning off my logging programmatically

[Ceki Gülcü <ce...@qos.ch>]

Have you tried the following?

(in log4j 1.1.x or log4j 1.2)

if(!condition) {
   Category cat = Category.getInstance("net.winward");
   cat.setPriority(Priority.FATAL);
}

(in log4j 1.2 only)

if(!condition) {
   Logger logger = Logger.getLogger("net.winward");
   logger.setLogger(Level.OFF);
}

Hope this helps, Ceki

At 16:42 13.03.2002 -0700, you wrote:
>Hi all;
>
>I have a library that I ship to people as a jar. Here is what I would like 
>to be able to do:
>
>1) If they have a given property set, I use the value of that property as 
>my log4j configuration properties and do a configure with that. Works great.
>
>2) However, if they give me no file, I want to disable all logging from my 
>library without effecting their code. That means if they are using log4j, 
>I don't effect their settings in any way AND I do no logging. If they 
>don't use log4j, then I want nothing to happen - no logging of any kind. I 
>tried the following but it dodn't work:
>
>    PropertyConfigurator.configure ();
>    Hierarchy h = new Hierarchy( Category.getInstance ( "net.windward" )); 
> // all my code is net.windward.*****
>    h.disableAll();
>
>Any ideas?
>
>thanks - dave

--
Ceki


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